Index: linux-2.6.21-rc3/include/linux/quicklist.h
===================================================================
--- linux-2.6.21-rc3.orig/include/linux/quicklist.h	2007-03-10 11:21:04.000000000 -0800
+++ linux-2.6.21-rc3/include/linux/quicklist.h	2007-03-10 11:24:27.000000000 -0800
@@ -23,10 +23,12 @@ static inline void *quicklist_alloc(int 
 		__get_cpu_var(quicklist)[nr] = *p;
 		p[0] = NULL;
 		__get_cpu_var(quicklist_size)[nr]--;
+		printk(KERN_ERR "quicklist_alloc quicklist %p\n", p);
 	} else {
 		p = (void *)__get_free_page(flags | __GFP_ZERO);
 		if (ctor && p)
 			ctor(p);
+		printk(KERN_ERR "quicklist_alloc direct %p\n", p);
 	}
 	put_cpu();
 	return p;
@@ -39,11 +41,13 @@ static inline void quicklist_free(int nr
 	void **p = pp;
 
 	if (unlikely(nid != numa_node_id())) {
+		printk(KERN_ERR "quicklist_free direct %p\n", p);
 		if (dtor)
 			dtor(p);
 		free_page((unsigned long)p);
 		return;
 	}
+	printk(KERN_ERR "quicklist_free quicklist %p", p);
 
 	p[0] = get_cpu_var(quicklist)[nr];
 	__get_cpu_var(quicklist)[nr] = p;
Index: linux-2.6.21-rc3/mm/quicklist.c
===================================================================
--- linux-2.6.21-rc3.orig/mm/quicklist.c	2007-03-10 11:18:51.000000000 -0800
+++ linux-2.6.21-rc3/mm/quicklist.c	2007-03-10 11:20:57.000000000 -0800
@@ -53,7 +53,11 @@ void quicklist_check(void)
 		pages_to_free = min_pages_to_free(q);
 
 		while (pages_to_free > 0) {
-			free_page((unsigned long)quicklist_alloc(q, 0, NULL));
+			void *p = quicklist_alloc(q, 0, NULL);
+
+			printk(KERN_ERR "quicklist_check %p free. Total size=%d\n",
+					p, quicklist_total_size());
+			free_page((unsigned long)p);
 			pages_to_free--;
 		}
 	}